Analysis

  • max time kernel
    78s
  • max time network
    87s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 12:29

General

  • Target

    0220112765fa22ba3be7cd05353b6bf0_JaffaCakes118.dll

  • Size

    404KB

  • MD5

    0220112765fa22ba3be7cd05353b6bf0

  • SHA1

    31a3aa911f92702ce670e71086b904999e0d5612

  • SHA256

    0dcc0c3caa0fd9160c8576e09df6ab84da3c7d2309100357b22ebcf5c7c2a4e0

  • SHA512

    ca6eee46455ad556ef7b0e6249fdb37999c397815b963a8faad03a70a3c15cc11bedd6994ecf3592787c0c81b6659520e855274dcbed970fca02fc1991f09986

  • SSDEEP

    6144:6opJ0HKwFjTI/V19/XNa6JGH5TOtyHxT9/M+uwYpWpqQDELgnXbE+xNa+QpO9pf1:5JbNvrWqvcYM5APy27Nc1IAaWH

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies Internet Explorer settings 1 TTPs 16 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0220112765fa22ba3be7cd05353b6bf0_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1020
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\0220112765fa22ba3be7cd05353b6bf0_JaffaCakes118.dll
      2⤵
      • Adds Run key to start application
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:4148
  • C:\Program Files (x86)\Internet Explorer\ielowutil.exe
    "C:\Program Files (x86)\Internet Explorer\ielowutil.exe" -CLSID:{0002DF01-0000-0000-C000-000000000046} -Embedding
    1⤵
      PID:1440
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4680
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4680 CREDAT:17410 /prefetch:2
        2⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:4292

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads